This Bowl is a unique 14mm glass slide / bowl handmade in the USA. Colors change from blue to purple. Depending on the lighting on the room is what triggers the shift. The color-changing feature adds a fun and interactive element to the smoking experience. Made with high-quality materials and craftsmanship, this piece is sure to provide a visually appealing and functional addition to any collection of glass pipes. 🇺🇸 Check my ebay page for more great deals on glass pipes. You must be 21 years or older to purchase. Please follow your state laws. “for tobacco use only”